package com.videoweb.context;


import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;

/**
 * 权限信息
 * 
 * @author lmr
 */
public class PermissionContextHolder
{
    private static final String PERMISSION_CONTEXT_ATTRIBUTES = "PERMISSION_CONTEXT";

    public static void setContext(String permission)
    {
        RequestContextHolder.currentRequestAttributes().setAttribute(PERMISSION_CONTEXT_ATTRIBUTES, permission,
                RequestAttributes.SCOPE_REQUEST);
    }

    public static String getContext()
    {


        Object obj = RequestContextHolder.currentRequestAttributes()
                .getAttribute(PERMISSION_CONTEXT_ATTRIBUTES, RequestAttributes.SCOPE_REQUEST);
        return obj == null ? null : obj.toString();

    }
}
